PWe are looking for a bSenior Web Engineer /b to work on a bhigh-performance, security-critical Web SDK /b.
/ppbr/ppThis is a blow-level frontend role /b, focused on performance, browser APIs, and secure integrations.
/ppbr/ppbKey Responsibilities /b /pulliDevelop and maintain a bTypeScript-based Web SDK /b /liliBuild bframework-agnostic components /b using bWeb Components /b /liliIntegrate with backend via bWebSockets / real-time communication /b /liliEnsure bperformance, security, and resistance to reverse engineering /b /liliContribute to btesting (integration / E2E) /b /li /ulpbr/ppbCore Requirements /b /pulliStrong bTypeScript / JavaScript /b /liliExperience with bWeb Components /b (Custom Elements, Shadow DOM) /liliSolid understanding of bbrowser performance rendering /b /liliExperience with bWebSockets /b and real-time systems /li /ulpbr/ppbImportant Knowledge Areas /b /pullibSecurity fundamentals /b (OAuth2, JWT, encryption basics, hashing) /lilibPerformance topics /b (Canvas / WebGL, WebAssembly is a plus) /lilibTesting tools /b (Playwright, Jest or similar) /lilibDocker /b and basic bKubernetes /b /li /ulpbr/ppbProfile /b /pulliStrong engineering fundamentals (beyond frameworks) /liliComfortable with blow-level web concepts /b /liliAble to balance bperformance, security, and usability /b /li /ulpbr/ppbThis is a fully remote role, but candidates must be currently based in Portugal.
/b /p